Now available at auction from Second Vintage This sought-after King Seiko Chronometer from 1973 presents a highly desirable 'Officially Certified Chronometer' dial variant. Showcasing an exceptionally clean silver sunburst dial with crisp applied furniture and retaining its original KS-signed crown, this timepiece is powered by the celebrated high-beat caliber 5625A automatic movement. Brand: Seiko Model: King Seiko Chronometer Reference Number: 5625-7041 Serial Number: 394402 Movement: Automatic caliber 5625A, 25 jewels Dial: Silver sunburst with applied indices Case Size: 36 mm (excluding the crown) Case Material: Stainless Steel Production Year: 1973 Condition: Excellent vintage condition. Movement serviced on 4 July 2026. Timegrapher: -30-33s/day, running strong and steady. Dial and Hands Exceptionally clean and well-preserved, this chronometer dial features a silver sunburst finish that remains highly reflective. The applied indices and logos are crisp and free of significant oxidation, while the printed text is sharp and fully intact. There is no visible moisture damage or significant spotting across the surface. The sharp and clean original handset consists of dauphine hands with black central stripes. Their surfaces show minimal signs of oxidation or wear, remaining visually consistent with the dial's excellent condition. Case and Crystal Presenting honest vintage wear with a preserved overall form, the stainless steel case displays visible surface scratches and minor handling marks. The polished surfaces show normal wear for their age, and the case geometry remains generally well-defined, though the edges may have been lightly polished in the past. The smooth polished bezel exhibits light surface scratches consistent with the rest of the case, with no deep dents or major damage. The clearly signed crown features the 'KS' logo alongside intact, well-defined knurling. A flat crystal provides an unobstructed view of the dial, remaining clear with no major scratches, cracks, or chips visible. Movement The watch is powered by the Seiko caliber 5625A automatic movement, featuring 25 jewels and engraved with 'JAPAN 5625A' and '525970'. The movement appears generally clean, with no heavy corrosion or severe oxidation visible, though the rotor and bridges show some light surface scratches and minor signs of handling. The timegrapher records a rate of -30-33s/day. Performing well within expected vintage tolerances; running strong and steady. The movement was serviced on 4 July 2026. Strap The watch is fitted with an attractive black leather strap featuring contrasting white stitching. It appears to be in good, wearable condition with light creasing across the leather. Condition Excellent vintage condition. The movement was serviced on 4 July 2026 and, supported by the recorded timegrapher result, is running strong and steady. The dial and hands are exceptionally clean and well-preserved. The case and bezel show honest vintage wear, displaying visible surface scratches and minor handling marks, with indications that the case edges may have been lightly polished in the past. The crystal remains clear and free of significant flaws, and the movement rotor and bridges show light surface scratches from previous handling. Dimensions Case Size: 36 mm (excluding the crown) Remarks This King Seiko Chronometer offers an impressive combination of an exceptionally clean dial and a high-beat movement. The presence of the original KS-signed crown and the sought-after chronometer certification make it a highly desirable example for dedicated collectors. History The King Seiko line represents a high point of mid-century Japanese watchmaking, developed in parallel with Grand Seiko to push the boundaries of accuracy, finishing, and design. The chronometer-certified variants of the 56KS series are highly regarded by collectors for their enhanced accuracy standards and distinctive dial branding. The 5600 series calibers were among the most sophisticated automatic movements produced by Seiko in the 1970s, celebrated for their high-beat architecture and reliable performance. Payment and Shipping Payment must be completed within 1–3 days after purchase. Your watch will be professionally and securely packaged, then shipped with tracking and insurance for your peace of mind. We use fast express shipping, with typical delivery within 1–4 business days, depending on the destination. Please note that vintage watches may show minor signs of wear, aging, or imperfections, which are considered normal for watches of this age. We kindly ask you to review all photos carefully before bidding. We photograph each watch from multiple angles to provide the most accurate representation possible, and the photos form an important part of the description. The timegrapher assessment if provided is seen as an indication of the movement’s condition under fully wound testing conditions. As with all vintage watches, results may vary in daily use. If you have any concerns regarding functionality or defects after delivery, please contact us within 3 days of receiving the watch so we can assist you. As with all used watches, water resistance is not guaranteed. If you have any questions, feel free to contact us after the auction ends. / Second Vintage SKU: SEI-CKH-0001